/*
 * Copyright 2011 Open Source Applications Foundation
 * Copyright © 2018 Ankush Mishra, Mark Hobson
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.github.caldav4j.support;

import com.github.caldav4j.methods.HttpCalDAVReportMethod;
import com.github.caldav4j.support.HttpClientTestUtils.HttpMethodCallback;
import net.fortuna.ical4j.model.Calendar;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpRequestBase;

/**
 * Factory for producing {@code HttpMethodCallback} implementations.
 *
 * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
 * @version $Id$
 */
public final class HttpMethodCallbacks {
    // constants --------------------------------------------------------------

    private static final HttpMethodCallback<HttpResponse, HttpRequestBase, RuntimeException>
            NULL_CALLBACK = (method, response) -> response;

    private static final HttpMethodCallback<Calendar, HttpCalDAVReportMethod, Exception>
            CALENDAR_REPORT_CALLBACK = HttpCalDAVReportMethod::getResponseBodyAsCalendar;

    // constructors -----------------------------------------------------------

    private HttpMethodCallbacks() {
        throw new AssertionError();
    }

    // public methods ---------------------------------------------------------

    public static HttpMethodCallback<HttpResponse, HttpRequestBase, RuntimeException>
            nullCallback() {
        return NULL_CALLBACK;
    }

    public static HttpMethodCallback<Calendar, HttpCalDAVReportMethod, Exception>
            calendarReportCallback() {
        return CALENDAR_REPORT_CALLBACK;
    }
}
